/**
    *    Copyright 2009-2020 the original author or authors.
    *
    *    Licensed under the Apache License, Version 2.0 (the "License");
    *    you may not use this file except in compliance with the License.
    *    You may obtain a copy of the License at
    *
    *       http://www.apache.org/licenses/LICENSE-2.0
    *
   *    Unless required by applicable law or agreed to in writing, software
   *    distributed under the License is distributed on an "AS IS" BASIS,
   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *    See the License for the specific language governing permissions and
   *    limitations under the License.
   */
  package org.apache.ibatis.cache;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.util.HashSet;
  import java.util.Set;
  
  import org.apache.ibatis.cache.decorators.LoggingCache;
  import org.apache.ibatis.cache.decorators.ScheduledCache;
  import org.apache.ibatis.cache.decorators.SerializedCache;
  import org.apache.ibatis.cache.decorators.SynchronizedCache;
  import org.apache.ibatis.cache.impl.PerpetualCache;
  import org.junit.jupiter.api.Test;
  
  class BaseCacheTest {
  
    @Test
    void shouldDemonstrateEqualsAndHashCodeForVariousCacheTypes() {
      PerpetualCache cache = new PerpetualCache("test_cache");
      assertEquals(cache, cache);
      assertEquals(cache, new SynchronizedCache(cache));
      assertEquals(cache, new SerializedCache(cache));
      assertEquals(cache, new LoggingCache(cache));
      assertEquals(cache, new ScheduledCache(cache));
  
      assertEquals(cache.hashCode(), new SynchronizedCache(cache).hashCode());
      assertEquals(cache.hashCode(), new SerializedCache(cache).hashCode());
      assertEquals(cache.hashCode(), new LoggingCache(cache).hashCode());
      assertEquals(cache.hashCode(), new ScheduledCache(cache).hashCode());
  
      Set<Cache> caches = new HashSet<>();
      caches.add(cache);
      caches.add(new SynchronizedCache(cache));
      caches.add(new SerializedCache(cache));
      caches.add(new LoggingCache(cache));
      caches.add(new ScheduledCache(cache));
      assertEquals(1, caches.size());
    }
  
  }